import math
[docs]class Date(object):
"""Short summary.
Parameters
----------
date : type
Description of parameter `date`.
Attributes
----------
hours : type
Description of attribute `hours`.
minutes : type
Description of attribute `minutes`.
seconds : type
Description of attribute `seconds`.
_total_sec : type
Description of attribute `_total_sec`.
_significant_digit : type
Description of attribute `_significant_digit`.
_date : type
Description of attribute `_date`.
_hhmmss_to_second : type
Description of attribute `_hhmmss_to_second`.
_second_to_hhmmss : type
Description of attribute `_second_to_hhmmss`.
"""
def __init__(self, date):
self.hours = None
self.minutes = None
self.seconds = None
self._total_sec = None
self._significant_digit = None
if isinstance(date, str):
self._date = date
self._hhmmss_to_second()
elif isinstance(date, (int, float)):
assert date < 86400
self._significant_digit = len(str(date).split(".")[-1])
self._total_sec = float(date)
self._second_to_hhmmss()
[docs] def _second_to_hhmmss(self):
frac = self._total_sec - int(self._total_sec)
frac = float(
"." + str(self._total_sec).split(".")[-1][: self._significant_digit]
)
mm, ss = divmod(int(self._total_sec), 60)
hh, mm = divmod(mm, 60)
self.hours = int(hh)
self.minutes = int(mm)
self.seconds = float(
str(ss + frac).split(".")[0]
+ "."
+ str(ss + frac).split(".")[1][: self._significant_digit]
)
str_hh = "0" + str(self.hours) if len(str(self.hours)) == 1 else str(self.hours)
str_mm = (
"0" + str(self.minutes)
if len(str(self.minutes)) == 1
else str(self.minutes)
)
str_ss = (
"0" + str(self.seconds)
if len(str(self.seconds).split(".")[0]) == 1
else str(self.seconds)
)
self._date = f"{str_hh}:{str_mm}:{str_ss}"
[docs] def _hhmmss_to_second(self):
hh, mm, ss = self._date.split(":")
self.hours = int(hh)
self.minutes = int(mm)
self.seconds = float(ss)
self._total_sec = (int(hh) * 60 + int(mm)) * 60 + float(ss)
[docs] def to_seconds(self):
return self._total_sec
[docs] def to_hhmmss(self):
return self._date
def __repr__(self):
return f"Date({self._date})"
def __add__(self, other):
secs = self._total_sec + other._total_sec
return Date(secs)
def __sub__(self, other):
secs = self._total_sec - other._total_sec
assert secs > 0
return Date(secs)
def __hash__(self):
return hash(self._date)
def __eq__(self, other):
return self._total_sec == other._total_sec
def __lt__(self, other):
return self._total_sec < other._total_sec
def __le__(self, other):
return self._total_sec <= other._total_sec
def __gt__(self, other):
return self._total_sec > other._total_sec
def __ge__(self, other):
return self._total_sec >= other._total_sec
if __name__ == "__main__":
d1 = Date("01:01:02")
d2 = Date("01:01:01")
d3 = d1 - d2
d4 = Date(2365.67)
